Abstract: The number portability is a service that the mobile phone user changes the telecommunication operator with the phone number unchanged. It has been implemented in nearly 80 countries and regions around the world and been officially provided on November 27, 2019 in China. The establishment of the number portability management policy system ensures the orderly provision of this service, and plays an important role in protecting the legitimate rights of users,guiding enterprises to operative normatively, and providing regulatory policy basis. This article combines international and domestic policy analysis to fully demonstrate the necessity and feasibility of China’s management policies aiming to number portability, and proposes to initiate technical monitoring, enrich regulatory cases, establish notification mechanisms,and strengthen the implementation for the following supervision of number port portability.

Key words: number portability, management policy, regulation